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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-backgrounds/box-shadow/box-shadow-blur-definition-001.xht | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-backgrounds/box-shadow/box-shadow-blur-definition-001.xht')
| -rw-r--r-- | testing/web-platform/tests/css/css-backgrounds/box-shadow/box-shadow-blur-definition-001.xht | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-backgrounds/box-shadow/box-shadow-blur-definition-001.xht b/testing/web-platform/tests/css/css-backgrounds/box-shadow/box-shadow-blur-definition-001.xht new file mode 100644 index 0000000000..e6ae0a2e90 --- /dev/null +++ b/testing/web-platform/tests/css/css-backgrounds/box-shadow/box-shadow-blur-definition-001.xht @@ -0,0 +1,47 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> + <head> + <title>CSS Test: blur computation for box-shadow</title> + <link rel="author" title="L. David Baron" href="https://dbaron.org/" /> + <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" /> + <link rel="help" href="http://www.w3.org/TR/css3-background/#the-box-shadow"/> + <meta name="assert" content="the resulting shadow must approximate (with each pixel being within 5% of its expected value) the image that would be generated by applying to the shadow a Gaussian blur with a standard deviation equal to half the blur radius" /> + <style type="text/css"> + div.stripecontainer { + width: 600px; + height: 30px; + border: medium solid blue; + } + div.refimage, div.blurcontainer { + width: 600px; + height: 10px; + } + div.refimage img { + display: block; + } + div.blurcontainer { position: relative; overflow: hidden } + div.blur { + position: absolute; + width: 2000px; + height: 2010px; + top: -1000px; /* places 1000px both above and below container */ + left: -2000px; /* places right edge at left of container */ + box-shadow: 300px 0 100px black; + } + </style> + </head> + <body> + <p>The following test should contain three grayscale stripes, each 10 + pixels tall, with no space between them, but all enclosed within a + blue border. At all points, the middle stripe must be <strong>the + same color as or darker than</strong> the top stripe, and <strong>the + same color as or lighter than</strong> the bottom stripe. (This tests + that the blurring algorithm produces results within 5% of a Gaussian + blur.)</p> + <div class="stripecontainer"> + <div class="refimage"><img height="10" width="600" src="support/box-shadow-blur-definition-001-light-bound.png" alt="[reference stripe image]" /></div> + <div class="blurcontainer"><div class="blur"></div></div> + <div class="refimage"><img height="10" width="600" src="support/box-shadow-blur-definition-001-dark-bound.png" alt="[reference stripe image]" /></div> + </div> + </body> +</html> |